@ARTICLE{
author={Lukic Dragan V,Josifov Goran,Kurepa Milan V},
year={2001},
title={Total electron-ionization cross sections of the NO2 molecule},
journal={INTERNATIONAL JOURNAL OF MASS SPECTROMETRY},
volume={205},
number={1-3},
pages={1-6},
document_type={Article},
} 

@ARTICLE{
author={Josifov Goran,Lukic Dragan V,Djuric Nada,Kurepa Milan V},
year={2000},
title={Total, direct and dissociative electron impact ionization cross sections of the acetylene molecule},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={65},
number={7},
pages={517-527},
document_type={Article},
}